1# SPDX-License-Identifier: GPL-2.0-only
2# ===========================================================================
3# Module final link
4# ===========================================================================
5
6PHONY := __modfinal
7__modfinal:
8
9include $(srctree)/scripts/Kbuild.include
10
11# for c_flags
12include $(srctree)/scripts/Makefile.lib
13
14# find all modules listed in modules.order
15modules := $(sort $(shell cat $(MODORDER)))
16
17__modfinal: $(modules)
18	@:
19
20# modname and part-of-module are set to make c_flags define proper module flags
21modname = $(notdir $(@:.mod.o=))
22part-of-module = y
23
24quiet_cmd_cc_o_c = CC [M]  $@
25      cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
26
27%.mod.o: %.mod.c FORCE
28	$(call if_changed_dep,cc_o_c)
29
30ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
31
32quiet_cmd_ld_ko_o = LD [M]  $@
33      cmd_ld_ko_o =                                                     \
34	$(LD) -r $(KBUILD_LDFLAGS)					\
35		$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE)		\
36		-T scripts/module.lds -o $@ $(filter %.o, $^);		\
37	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
38
39$(modules): %.ko: %.o %.mod.o scripts/module.lds FORCE
40	+$(call if_changed,ld_ko_o)
41
42targets += $(modules) $(modules:.ko=.mod.o)
43
44# Add FORCE to the prequisites of a target to force it to be always rebuilt.
45# ---------------------------------------------------------------------------
46
47PHONY += FORCE
48FORCE:
49
50# Read all saved command lines and dependencies for the $(targets) we
51# may be building above, using $(if_changed{,_dep}). As an
52# optimization, we don't need to read them if the target does not
53# exist, we will rebuild anyway in that case.
54
55existing-targets := $(wildcard $(sort $(targets)))
56
57-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
58
59.PHONY: $(PHONY)
60